DC Physics logo
ADD Your Page
HOME | Practice Problems } Monthly Features | Textbook Errata | Humor | About DC Physics

HELP HOME PAGE

Make a Practice Test

Some Hints & Solutions

** "Reload" or "Refresh" the page to make another test from the same selection of problem types (F5 in Internet Explorer).

Select a new problem set.

  1. What is the wavelength of a 699 Hz sound wave? (vsound = 345 m/s)

    m

  2. A certain vibration has a wavelength of 32.49 cm and a frequency of 155 Hz. What is the speed of the vibration?

    m/s

  3. A certain vibration has a wavelength of 65.8 cm and a frequency of 814 Hz. What is the speed of the vibration?

    m/s

  4. A certain vibration has a wavelength of 94.69 cm and a frequency of 1211 Hz. What is the speed of the vibration?

    m/s

  5. What is the frequency of 231 nm light? (c = 2.998*108 m/s)

    Hz

  6. A certain vibration has a wavelength of 86.64 cm and travels at a speed of 533.7 m/s. What is the frequency of the vibration?

    Hz